From eee5579d18c4de89b364eb0e70e3e4e0143ad358 Mon Sep 17 00:00:00 2001
From: William Petit <wpetit@cadoles.com>
Date: Thu, 22 Oct 2020 10:51:08 +0200
Subject: [PATCH] feat: execute backup rotation after backup service execution

---
 misc/systemd/sentry-backup.service | 3 ++-
 sentry-util.sh                     | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/misc/systemd/sentry-backup.service b/misc/systemd/sentry-backup.service
index a6672e9..81576b4 100644
--- a/misc/systemd/sentry-backup.service
+++ b/misc/systemd/sentry-backup.service
@@ -7,7 +7,8 @@ Type=oneshot
 WorkingDirectory=/mnt/data/backup
 ExecStartPre=/bin/sh -c 'systemctl -q is-active sentry.service && systemctl stop sentry'
 ExecStart=/opt/sentry-util/sentry-util.sh backup
-ExecStartPost=/bin/sh -c 'systemctl start sentry'
+ExecStopPost=/bin/sh -c 'systemctl start sentry'
+ExecStopPost=/opt/sentry-util/sentry-util.sh rotate
 
 [Install]
 WantedBy=multi-user.target
\ No newline at end of file
diff --git a/sentry-util.sh b/sentry-util.sh
index e3327ac..85ad3dc 100755
--- a/sentry-util.sh
+++ b/sentry-util.sh
@@ -50,7 +50,7 @@ function restore {
 }
 
 function rotate {
-  local retention=${1:-1}
+  local retention=${1:-2}
   local backup_dirs=( $(find -maxdepth 1 -type d -name "$BACKUP_DIR_PREFIX*" -printf "%f\n" | sort -r) )
   echo "Rotating backups (retention: $retention)"
   echo "Found ${#backup_dirs[@]} backup(s)"